Hi! I'm a user in mainland China. I bought this milestone from some guy.Before upgrade, my milestone has the following information which is the only info i can get now: Model Number A853 Firmware version SHOLS_U2_00.56.0 Fireware configuration version GAS_NA_GCXSHOU000NA_P003 Baseband version 3GSMEPU91A_U_91.08.0AI Baseband configuration version UCASHLSNAB1B2B5039.0R Kernel version 2.6.29-omap1 rkg683@ca25rhe79 #1 Build number umts_sholes-userdebug SHOLS_U2_00.56.0 ECLAIR 113753 debug,test-keys When I upgrade it to 2.1 with rsdlite 4.6 which is a success, it reboots repeatedly for several hours without stop. Both the 2.1 sbf file and rsdlite 4.6 were fetched from motorola_milestone:sbf [And Developers] I only see moto logo lights up and then screen black out and this goes on and on repeatedly. Please help! Thanks a lot.